expert Set 57 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [9, _] → [2, _, 2]

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Answer: Row3[2]=7, Row2[2]=9

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [9,9]
  • [2,7,2]
Base
  • 2
  • 7
  • 2
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":7}
  • {"r":1,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [11, 9] → [8, 3, _]

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Answer: Row1[1]=20, Row3[3]=6

SubType
number-pyramid
Difficulty
expert
Levels
  • [20]
  • [11,9]
  • [8,3,6]
Base
  • 8
  • 3
  • 6
TopValue
20
HiddenCells
  • {"r":0,"c":0,"v":20}
  • {"r":2,"c":2,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [6, 12] → [_, _, 7]

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Answer: Row3[2]=5, Row3[1]=1

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [6,12]
  • [1,5,7]
Base
  • 1
  • 5
  • 7
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [10, 8] → [5, _, _]

Show answer

Answer: Row3[2]=5, Row3[3]=3

SubType
number-pyramid
Difficulty
expert
Levels
  • [18]
  • [10,8]
  • [5,5,3]
Base
  • 5
  • 5
  • 3
TopValue
18
HiddenCells
  • {"r":2,"c":1,"v":5}
  • {"r":2,"c":2,"v":3}